module RSpec::Rails::ViewExampleGroup::ExampleMethods

def response
  # `assert_template` expects `response` to implement a #body method
  # like an `ActionDispatch::Response` does to force the view to render.
  # For backwards compatibility, we use #response as an alias for
  # #rendered, but it needs to implement #body to avoid `assert_template`
  # raising a `NoMethodError`.
  unless rendered.respond_to?(:body)
    def rendered.body; self; end;
  end
  rendered
end